From bbcd7b5f638e594a0cdd968ce5b09f6ec73e718f Mon Sep 17 00:00:00 2001
From: Fuwn <contact@fuwn.net>
Date: Thu, 21 Apr 2022 03:59:25 +0000
Subject: feat: favicon support

---
 src/main.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src')

diff --git a/src/main.rs b/src/main.rs
index ade91ed..327117d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -327,6 +327,15 @@ async fn default(req: actix_web::HttpRequest) -> Result<HttpResponse, Error> {
     ));
   }
 
+  // Try to add an external favicon from the `FAVICON_EXTERNAL` environment
+  // variable.
+  if let Ok(favicon) = var("FAVICON_EXTERNAL") {
+    html_context.push_str(&format!(
+      "<link rel=\"icon\" type=\"image/x-icon\" href=\"{}\">",
+      favicon
+    ));
+  }
+
   // Add a title to HTML response
   html_context.push_str(&format!("<title>{}</title>", gemini_title));
 
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